JP2011234455A - 電源切替方法 - Google Patents
電源切替方法 Download PDFInfo
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- JP2011234455A JP2011234455A JP2010100798A JP2010100798A JP2011234455A JP 2011234455 A JP2011234455 A JP 2011234455A JP 2010100798 A JP2010100798 A JP 2010100798A JP 2010100798 A JP2010100798 A JP 2010100798A JP 2011234455 A JP2011234455 A JP 2011234455A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Stand-By Power Supply Arrangements (AREA)
Abstract
【解決手段】複数の常用発電機A,B,Cと1台の予備発電機Sとを配置し、常用発電機に異常が発生したときに予備発電機に切り替える電源切替方法において、一つの常用発電機Aに異常が発生して予備発電機Sからの電源供給に切り替えているときには、他の常用発電機B,Cに異常が発生しても、該異常が発生した他の常用発電機から電源供給を行っていた負荷への電源供給を予備のエンジン発電機に切り替えることを禁止する。
【選択図】図1
Description
Claims (3)
- 複数の負荷にそれぞれ電源供給を行う複数の常用発電機と、1台の予備発電機とを配置し、前記常用発電機に異常が発生したときに、負荷への電源供給を異常が発生した常用発電機から前記予備発電機に切り替える電源切替方法において、一つの常用発電機に異常が発生し、該異常が発生した一つの常用発電機から電源供給を行っていた負荷への電源供給を前記予備発電機からの電源供給に切り替えているときには、他の常用発電機に異常が発生しても、該異常が発生した他の常用発電機から電源供給を行っていた負荷への電源供給を予備のエンジン発電機に切り替えることなく、前記異常が発生した一つの常用発電機から電源供給を行っていた負荷への前記予備発電機からの電源供給を継続することを特徴とする電源切替方法。
- 前記常用発電機から負荷に供給している主電源電圧と、該常用発電機の制御電源電圧とを監視し、主電源電圧及び制御電源電圧の双方が電圧を有しているときには正常発電状態と判定し、主電源電圧及び制御電源電圧の双方が無電圧のときには正常停止状態と判定し、前記正常発電状態及び前記正常停止状態のときには予備発電機への切り替えは行わず、主電源電圧が無電圧で制御電源電圧が電圧を有しているときには異常発生状態と判定し、負荷への電源供給を、該異常発生状態と判定した常用発電機から予備発電機に切り替えることを特徴とする請求項1記載の電源切替方法。
- 異常が発生した一つの常用発電機の異常が解消して負荷への電源供給が可能な状態になったときには、復帰信号によって負荷への電源供給を、前記予備発電機から異常が解消した常用発電機に切り替えることを特徴とする請求項1又は2記載の電源切替方法。
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JP2010100798A JP5523187B2 (ja) | 2010-04-26 | 2010-04-26 | 電源切替方法 |
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JP2010100798A JP5523187B2 (ja) | 2010-04-26 | 2010-04-26 | 電源切替方法 |
Publications (2)
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JP2011234455A true JP2011234455A (ja) | 2011-11-17 |
JP5523187B2 JP5523187B2 (ja) | 2014-06-18 |
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JP2010100798A Active JP5523187B2 (ja) | 2010-04-26 | 2010-04-26 | 電源切替方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0417534A (ja) * | 1990-05-08 | 1992-01-22 | Kubota Corp | 瞬時停電防止バックアップ電源付き電力供給設備 |
JP2001178134A (ja) * | 1999-12-21 | 2001-06-29 | Fujitsu Ltd | 電源装置 |
JP2002223531A (ja) * | 2001-01-24 | 2002-08-09 | Osaka Gas Co Ltd | 自家発補給電力託送方法及び発電施設 |
JP2004357423A (ja) * | 2003-05-29 | 2004-12-16 | Nec Corp | 無停電電源装置 |
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2010
- 2010-04-26 JP JP2010100798A patent/JP5523187B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0417534A (ja) * | 1990-05-08 | 1992-01-22 | Kubota Corp | 瞬時停電防止バックアップ電源付き電力供給設備 |
JP2001178134A (ja) * | 1999-12-21 | 2001-06-29 | Fujitsu Ltd | 電源装置 |
JP2002223531A (ja) * | 2001-01-24 | 2002-08-09 | Osaka Gas Co Ltd | 自家発補給電力託送方法及び発電施設 |
JP2004357423A (ja) * | 2003-05-29 | 2004-12-16 | Nec Corp | 無停電電源装置 |
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